freeze whole window for TLW

[wxWidgets.git] / src / propgrid / property.cpp

diff --git a/src/propgrid/property.cpp b/src/propgrid/property.cpp
index 0d4046307e22dcfcd0fcac81765bceeb748b5d7d..44dd00af8f0739045cd30450718137b879a5283b 100644 (file)
--- a/src/propgrid/property.cpp
+++ b/src/propgrid/property.cpp
@@ -186,10 +186,14 @@ void wxPGCellRenderer::PostDrawCell( wxDC& dc,
 // wxPGDefaultRenderer
 // -----------------------------------------------------------------------
 
-void wxPGDefaultRenderer::Render( wxDC& dc, const wxRect& rect,
+bool wxPGDefaultRenderer::Render( wxDC& dc, const wxRect& rect,
                                   const wxPropertyGrid* propertyGrid, wxPGProperty* property,
                                   int column, int item, int flags ) const
 {
+    const wxPGEditor* editor = NULL;
+    const wxPGCell* cell = NULL;
+
+    wxString text;
     bool isUnspecified = property->IsValueUnspecified();
 
     if ( column == 1 && item == -1 )
@@ -199,17 +203,19 @@ void wxPGDefaultRenderer::Render( wxDC& dc, const wxRect& rect,
         {
             // Common Value
             if ( !isUnspecified )
-                DrawText( dc, rect, 0, propertyGrid->GetCommonValueLabel(cmnVal) );
-            return;
+            {
+                text = propertyGrid->GetCommonValueLabel(cmnVal);
+                DrawText( dc, rect, 0, text );
+                if ( text.length() )
+                    return true;
+            }
+            return false;
         }
     }
 
-    const wxPGEditor* editor = NULL;
-    const wxPGCell* cell = NULL;
-
-    wxString text;
     int imageWidth = 0;
     int preDrawFlags = flags;
+    bool res = false;
 
     property->GetDisplayInfo(column, item, flags, &text, &cell);
 
@@ -262,6 +268,8 @@ void wxPGDefaultRenderer::Render( wxDC& dc, const wxRect& rect,
             text = property->GetHintText();
             if ( text.length() > 0 )
             {
+                res = true;
+
                 const wxColour& hCol =
                     propertyGrid->GetCellDisabledTextColour();
                 dc.SetTextForeground(hCol);
@@ -271,6 +279,10 @@ void wxPGDefaultRenderer::Render( wxDC& dc, const wxRect& rect,
                 editor = NULL;
             }
         }
+        else
+        {
+            res = true;
+        }
     }
 
     int imageOffset = property->GetImageOffset(imageWidth);
@@ -278,7 +290,7 @@ void wxPGDefaultRenderer::Render( wxDC& dc, const wxRect& rect,
     DrawEditorValue( dc, rect, imageOffset, text, property, editor );
 
     // active caption gets nice dotted rectangle
-    if ( property->IsCategory() /*&& column == 0*/ )
+    if ( property->IsCategory() && column == 0 )
     {
         if ( flags & Selected )
         {
@@ -299,6 +311,8 @@ void wxPGDefaultRenderer::Render( wxDC& dc, const wxRect& rect,
     }
 
     PostDrawCell(dc, propertyGrid, *cell, preDrawFlags);
+
+    return res;
 }
 
 wxSize wxPGDefaultRenderer::GetImageSize( const wxPGProperty* property,
@@ -1053,7 +1067,8 @@ bool wxPGProperty::StringToValue( wxVariant& variant, const wxString& text, int
 
                     // Add only if editable or setting programmatically
                     if ( (argFlags & wxPG_PROGRAMMATIC_VALUE) ||
-                         !child->HasFlag(wxPG_PROP_DISABLED|wxPG_PROP_READONLY) )
+                         (!child->HasFlag(wxPG_PROP_DISABLED) &&
+                          !child->HasFlag(wxPG_PROP_READONLY)) )
                     {
                         if ( len > 0 )
                         {
@@ -1133,7 +1148,8 @@ bool wxPGProperty::StringToValue( wxVariant& variant, const wxString& text, int
                     wxVariant variant(oldChildValue);
 
                     if ( (argFlags & wxPG_PROGRAMMATIC_VALUE) ||
-                         !child->HasFlag(wxPG_PROP_DISABLED|wxPG_PROP_READONLY) )
+                         (!child->HasFlag(wxPG_PROP_DISABLED) &&
+                          !child->HasFlag(wxPG_PROP_READONLY)) )
                     {
                         wxString childName = child->GetBaseName();
 
@@ -1413,7 +1429,7 @@ void wxPGProperty::SetValueInEvent( wxVariant value ) const
     GetGrid()->ValueChangeInEvent(value);
 }
 
-void wxPGProperty::SetFlagRecursively( FlagType flag, bool set )
+void wxPGProperty::SetFlagRecursively( wxPGPropertyFlags flag, bool set )
 {
     ChangeFlag(flag, set);
 
@@ -1897,6 +1913,12 @@ void wxPGProperty::SetChoiceSelection( int newValue )
 
 bool wxPGProperty::SetChoices( wxPGChoices& choices )
 {
+    // Property must be de-selected first (otherwise choices in
+    // the control would be de-synced with true choices)
+    wxPropertyGrid* pg = GetGrid();
+    if ( pg && pg->GetSelection() == this )
+        pg->ClearSelection();
+
     m_choices.Assign(choices);
 
     {
@@ -2435,10 +2457,16 @@ void wxPGProperty::DeleteChildren()
 {
     wxPropertyGridPageState* state = m_parentState;
 
-    while ( GetChildCount() )
+    if ( !GetChildCount() )
+        return;
+
+    // Because deletion is sometimes deferred, we have to use
+    // this sort of code for enumerating the child properties.
+    unsigned int i = GetChildCount();
+    while ( i > 0 )
     {
-        wxPGProperty* child = Item(GetChildCount()-1);
-        state->DoDelete(child, true);
+        i--;
+        state->DoDelete(Item(i), true);
     }
 }
 
@@ -2629,9 +2657,31 @@ wxPropertyCategory::~wxPropertyCategory()
 wxString wxPropertyCategory::ValueToString( wxVariant& WXUNUSED(value),
                                             int WXUNUSED(argFlags) ) const
 {
+    if ( m_value.GetType() == wxPG_VARIANT_TYPE_STRING )
+        return m_value.GetString();
     return wxEmptyString;
 }
 
+wxString wxPropertyCategory::GetValueAsString( int argFlags ) const
+{
+#if wxPG_COMPATIBILITY_1_4
+    // This is backwards compatibility test
+    // That is, to make sure this function is not overridden
+    // (instead, ValueToString() should be).
+    if ( argFlags == 0xFFFF )
+    {
+        // Do not override! (for backwards compliancy)
+        return g_invalidStringContent;
+    }
+#endif
+
+    // Unspecified value is always empty string
+    if ( IsValueUnspecified() )
+        return wxEmptyString;
+
+    return wxPGProperty::GetValueAsString(argFlags);
+}
+
 int wxPropertyCategory::GetTextExtent( const wxWindow* wnd, const wxFont& font ) const
 {
     if ( m_textExtent > 0 )